Cephalometric Investigation of First Cervical Vertebrae Morphology and Hyoid Position in Young Adults with Different Sagittal Skeletal Patterns

Table 5

Intergroup comparison of mean differences among males with Class I, II, and III skeletal patterns.

Measurements	Class I (𝑛 = 20)		Class II (𝑛 = 20)		Class III (𝑛 = 20)		ANOVA	Multiple comparison LSD test (𝑃 value)
	Mean	SD	Mean	SD	Mean	SD		CI-CII	CII-CIII	CI-CIII
SNA (°)	83,60	5,03	83,38	3,81	76,78	4,35	**	0,917	0,006	0,003
SNB (°)	80,40	4,85	76,44	3,35	78,89	4,16	N.S	0,060	0,245	0,445
ANB (°)	3,20	1,31	6,94	1,14	−2,11	0,78	***	0,000	0,000	0,000
Hy Hy′ MD (°)	5,40	2,91	11,75	9,54	11,78	9,93	N.S	0,104	0,994	0,092
Hy NSL (mm)	120,60	7,91	118,88	10,52	119,67	7,56	N.S	0,678	0,852	0,816
Hy NL (mm)	71,10	6,67	71,62	9,30	71,78	6,24	N.S	0,883	0,967	0,844
Hy-CVT (mm)	59,30	2,66	56,12	1,64	59,67	2,27	*	0,019	0,060	0,608
Hy Pog (mm)	51,10	3,60	50,25	6,47	49,78	5,91	N.S	0,741	0,858	0,596
Hy Me (mm)	43,60	3,68	42,75	6,25	43,67	5,93	N.S	0,739	0,726	0,978
𝑋 (mm)	11,70	2,62	9,38	2,87	8,22	2,63	*	0,082	0,389	0,010
𝑌 (mm)	10,40	1,71	9,75	2,37	9,67	1,22	N.S	0,454	0,925	0,384
𝑍 (mm)	7,30	2,26	5,88	2,41	9,11	1,61	*	0,169	0,004	0,075
LUM (mm)	31,20	2,30	29,88	2,85	34,00	6,83	N.S	0,537	0,069	0,185
a-p (mm)	51,90	2,47	50,75	3,99	49,89	6,64	N.S	0,607	0,707	0,356

^∗𝑃 < 0.05, **𝑃 < 0.01, ***𝑃 < 0.001, N.S.: statistically not significant, SD: standard deviation, and 𝑛: number of patients.